40-Series Zero Stack headsets set the standard for performance, durability and value. Drawing from the premium 110-Series design, the 40-Series includes all the features necessary for a durable, lightweight, long-lasting headset.
Key Features
- Sealed ZN40 cartridge bearings
- 6000 series alloy cups and materials
- Steel crown race with integrated seals
- Interlok spacer compatible
Specifications
| Color |
Black |
| Bearing Type |
Cartridge |
| Crown Race |
30 |
| Defined Color |
Black |
| S.H.I.S Upper |
EC49 |
| S.H.I.S. Stem Clamp Diameter |
28.6 Threadless |
| S.H.I.S Lower |
ZS44 |
